CN220149091U

CN220149091U - Electric hoist with stop gear

Info

Publication number: CN220149091U
Application number: CN202321613650.4U
Authority: CN
Inventors: 张美菊; 李振聪
Original assignee: Xinxiang Keyan Lifting Machinery Co ltd
Current assignee: Xinxiang Keyan Lifting Machinery Co ltd
Priority date: 2023-06-25
Filing date: 2023-06-25
Publication date: 2023-12-08
Anticipated expiration: 2033-06-25

Abstract

The utility model discloses an electric hoist with a limiting mechanism, which comprises a shell and a base; a shell: the inside of the wire coil is rotationally connected with the wire coil, the inside of the wire coil is wound with a steel wire, the inside end of the steel wire is fixedly connected with the outside surface of the wire coil, the outside end of the steel wire is provided with a lifting hook, the left side surface of the shell is provided with a motor, the output shaft of the motor is fixedly connected with the left end of the wire coil, and the right end of the shell is provided with a limiting mechanism matched with the wire coil; and (2) base: the upper surface of the base is provided with L-shaped seats in a front-back symmetrical way through an adjusting mechanism, the opposite inner sides of the two L-shaped seats are symmetrically provided with fixed shafts, and the middle parts of the four fixed shafts are respectively and rotatably connected with idler wheels; this electric block with stop gear makes things convenient for electric block to carry out quick limit installation with outside crossbeam, can carry out spacing fixed to the coil simultaneously to make the lifting by crane of external material safer.

Description

Electric hoist with stop gear

Technical Field

The utility model relates to the technical field of electric hoists, in particular to an electric hoist with a limiting mechanism.

Background

The electric hoist is special lifting equipment, is arranged on the crown block and the gantry crane, has the characteristics of small volume, light dead weight, simple operation, convenient use and the like, is compact in structure, adopts a worm gear transmission device, is generally arranged on a single-beam crane, a bridge crane, a gantry crane and a hanging crane, is slightly modified and can be used as a winch, so that the electric hoist is a necessary machine for improving the labor efficiency and the labor condition, and most of the existing electric hoists are required to be connected with an external beam by using bolts for mounting, are not convenient enough for mounting limit of the electric hoist, are single in limiting mode and are required to be lifted for the safety of material lifting.

Disclosure of Invention

The utility model aims to overcome the existing defects, provides the electric hoist with the limiting mechanism, facilitates quick limiting installation of the electric hoist and an external beam, and can limit and fix the coil, so that the hoisting of external materials is safer, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an electric hoist with a limiting mechanism comprises a shell and a base;

a shell: the inside of the wire coil is rotationally connected with the wire coil, the inside of the wire coil is wound with a steel wire, the inside end of the steel wire is fixedly connected with the outside surface of the wire coil, the outside end of the steel wire is provided with a lifting hook, the left side surface of the shell is provided with a motor, the output shaft of the motor is fixedly connected with the left end of the wire coil, and the right end of the shell is provided with a limiting mechanism matched with the wire coil;

and (2) base: the upper surface of the base is provided with L-shaped seats in a front-back symmetrical way through an adjusting mechanism, the opposite inner sides of the two L-shaped seats are symmetrically provided with fixed shafts, and the middle parts of the four fixed shafts are respectively and rotatably connected with idler wheels;

wherein: the input of motor electricity is connected the output of external control ware, makes things convenient for electric block and outside crossbeam to carry out quick spacing installation, can carry out spacing fixedly to the coil simultaneously to make the lifting by crane of external material safer.

Further, stop gear includes ratchet, pivot, ratchet groove and gag lever post, the round hole internal rotation of shell right flank upper end is connected with the pivot, and the left end of pivot is equipped with the ratchet, evenly is provided with in the ring channel that the drum right flank set up with ratchet complex ratchet groove, and the right-hand member of pivot is equipped with the gag lever post, and the right flank of shell is equipped with the stopper, and the stopper is located the arc wall of gag lever post lower extreme, is equipped with the spring between stopper and the arc wall, conveniently carries out spacing fixedly to the drum.

Further, the front side lower extreme of stopper is equipped with the electro-magnet, and the right flank of shell is equipped with electro-magnet complex iron plate, and the output of controller is connected to the input electricity of electro-magnet, conveniently drives the gag lever post and rotates.

Further, the arc-shaped groove at the lower end of the limiting rod is concentric with the central shaft of the rotating shaft, and the limiting rod is limited.

Further, the right side of shell is equipped with the protecting crust, and gag lever post and iron plate all are located the inside of protecting crust, play the guard action to inner structure.

Further, adjustment mechanism includes lead screw and fixing base, the upper surface middle part of base is equipped with the fixing base, and both ends symmetry sliding connection has L type seat around the fixing base, and the middle part rotation of fixing base is connected with the lead screw, and the lower extreme of two L type seats all is equipped with the screw with lead screw threaded connection, makes things convenient for the quick limit position installation of L type seat and outside crossbeam.

Furthermore, guide rods are symmetrically arranged on the front side and the rear side of the fixed seat, sliding holes which are in sliding connection with the guide rods are symmetrically arranged at the lower end of the L-shaped seat, and a sliding guide effect is achieved for adjusting the L-shaped seat.

Compared with the prior art, the utility model has the beneficial effects that: this electric block with stop gear has following benefit:

1. the idler wheels at the upper ends of the L-shaped seats are mounted at the proper positions of the external cross beam, then the screw rod is rotated, and the two L-shaped seats are driven to move in opposite directions along the guide rods on the outer side surfaces of the fixing seats due to the fact that the directions of threads at the front end and the rear end of the screw rod are opposite, so that the quick limiting mounting of the shell is facilitated.

2. During the use, work through external control ware control motor, and then drive the drum and rotate and receive and release the steel wire, the lifting hook through the steel wire lower extreme lifts by crane external material, and the drum is when rotating, and the ratchet of pivot end and the ratchet groove cooperation of drum right-hand member make the ratchet rotate as the center with the pivot, and the spring between the arc inslot wall of gag lever post lower extreme and the stopper can play elastic support effect to the gag lever post simultaneously, can avoid the drum reversal, makes the spacing of drum fix more firm to the lifting by crane of external material safer.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

fig. 2 is a schematic diagram of the internal structure of the present utility model.

In the figure: 1 shell, 2 stop gear, 21 ratchet, 22 pivot, 23 ratchet tooth groove, 24 gag lever post, 3 drum, 4 steel wires, 5 lifting hook, 6 motor, 7 base, 8 adjustment mechanism, 81 lead screw, 82 fixing base, 83 guide bar, 9L formula seat, 10 gyro wheel, 11 stopper, 12 spring, 13 protecting crust, 14 electro-magnet, 15 iron plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, the present embodiment provides a technical solution: an electric hoist with a limiting mechanism comprises a shell 1 and a base 7;

the shell 1: the inside of the wire coil 3 is rotationally connected with the wire coil 3, the inside of the wire coil 3 is wound with a steel wire 4, the inner end of the steel wire 4 is fixedly connected with the outer side surface of the wire coil 3, the outer side end of the steel wire 4 is provided with a lifting hook 5, the left side surface of the shell 1 is provided with a motor 6, the output shaft of the motor 6 is fixedly connected with the left end of the wire coil 3, the right end of the shell 1 is provided with a limit mechanism 2 matched with the wire coil 3, the limit mechanism 2 comprises a ratchet 21, a rotating shaft 22, a ratchet groove 23 and a limit rod 24, the rotating shaft 22 is rotationally connected with the rotating shaft 22 at the left end, the ratchet groove 23 matched with the ratchet 21 is uniformly arranged in the annular groove arranged at the right side surface of the wire coil 3, the right end of the rotating shaft 22 is provided with a limit rod 24, the right side surface of the shell 1 is provided with a limit block 11, the limit block 11 is positioned in an arc groove at the lower end of the limit rod 24, a spring 12 is arranged between the limit block 11 and the arc groove inner wall, the electromagnet 14 is arranged at the lower end of the front side surface of the limiting block 11, the iron block 15 matched with the electromagnet 14 is arranged at the right side surface of the shell 1, the arc-shaped groove at the lower end of the limiting rod 24 is concentric with the central shaft of the rotating shaft 22, the motor 6 works to drive the wire coil 3 to rotate so as to retract and release the steel wire 4, the lifting hook 5 at the lower end of the steel wire 4 lifts the external material, the ratchet 21 at the end of the rotating shaft 22 is matched with the ratchet groove 23 at the right end of the wire coil 3 when the wire coil 3 rotates, the ratchet 21 rotates around the rotating shaft 22, meanwhile, the spring 12 between the inner wall of the arc-shaped groove at the lower end of the limiting rod 24 and the limiting block 11 plays a role in elastically supporting the limiting rod 24, the wire coil 3 can be prevented from reversing, the limiting fixation of the wire coil 3 is firmer, when the wire coil 3 needs reversing, the external controller controls the electromagnet 14 to be electrified, the electromagnet 14 is adsorbed by the iron block 15, the limiting rod 24 is rotated for a certain angle, the ratchet 21 is separated from the ratchet groove 23, the right side surface of the shell 1 is provided with the protective shell 13, and the limiting rod 24 and the iron block 15 are both positioned in the protective shell 13 to protect the internal structure;

base 7: the device is arranged in the middle of the upper surface of the shell 1, L-shaped seats 9 are symmetrically arranged on the upper surface of the base 7 front and back through an adjusting mechanism 8, fixed shafts are symmetrically arranged on the opposite inner sides of the two L-shaped seats 9, idler wheels 10 are rotationally connected to the middle of the four fixed shafts, the adjusting mechanism 8 comprises a screw rod 81 and a fixed seat 82, the fixed seat 82 is arranged in the middle of the upper surface of the base 7, the L-shaped seats 9 are symmetrically and slidingly connected to the front and back ends of the fixed seat 82, the screw rod 81 is rotationally connected to the middle of the fixed seat 82, screw holes in threaded connection with the screw rod 81 are symmetrically arranged at the lower ends of the two L-shaped seats 9, guide rods 83 are symmetrically arranged at the front and back sides of the fixed seat 82, sliding holes in sliding connection with the guide rods 83 are symmetrically arranged at the lower ends of the L-shaped seats 9, idler wheels 10 at the upper ends of the L-shaped seats 9 are mounted to the proper positions of an external beam, and then the screw rod 81 is rotated, and the two L-shaped seats 9 are driven to move along the guide rods 83 on the outer side of the fixed seat 82 in opposite directions due to the opposite directions of threads of the screw rod 81, so that the quick limiting mounting of the shell 1 is facilitated;

wherein: the input ends of the motor 6 and the electromagnet 14 are electrically connected with the output end of the external controller, so that the normal operation of the circuit is ensured.

The utility model provides an electric hoist with a limiting mechanism, which has the following working principle: the roller 10 at the upper end of the L-shaped seat 9 is mounted at a proper position of an external cross beam, the screw rod 81 is rotated, the screw threads at the front end and the rear end of the screw rod 81 are opposite in direction, so that the two L-shaped seats 9 are driven to move in opposite directions along the guide rod 83 at the outer side face of the fixed seat 82, the shell 1 is conveniently and rapidly mounted in a limited position, when the wire coil 3 is used, the external controller controls the motor 6 to work, the wire coil 3 is driven to rotate to retract and pay-off the steel wire 4, the lifting hook 5 at the lower end of the steel wire 4 lifts the external material, the wire coil 3 rotates, simultaneously, the ratchet 21 at the end of the rotating shaft 22 is matched with the ratchet slot 23 at the right end of the wire coil 3, the ratchet 21 rotates by taking the rotating shaft 22 as the center, meanwhile, the spring 12 between the inner wall of the arc slot at the lower end of the limit rod 24 and the limit block 11 can play an elastic supporting role on the limit rod 24, the limit rod 3 can be prevented from being reversed, the limit fixing of the wire coil 3 is more stable, when the wire coil 3 needs to be reversed, the external controller controls the electromagnet 14 to be electrified, the electromagnet 14 to adsorb the iron block 15, the limit rod 24 is rotated by a certain angle, and the limit rod 24 is separated from the ratchet 21.

It should be noted that, in the above embodiment, the motor 6 and the electromagnet 14 can be freely configured according to the practical application scenario, the motor 6 suggests a motor with model number YE2-80M-4, the electromagnet 14 suggests an electromagnet with model number H5030, and the external controller controls the motor 6 and the electromagnet 14 to work by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. An electric block with stop gear, its characterized in that: comprises a shell (1) and a base (7);

outer casing (1): the wire coil (3) is rotationally connected inside the wire coil (3), a steel wire (4) is wound inside the wire coil (3), the inner side end of the steel wire (4) is fixedly connected with the outer side face of the wire coil (3), a lifting hook (5) is mounted at the outer side end of the steel wire (4), a motor (6) is arranged on the left side face of the shell (1), an output shaft of the motor (6) is fixedly connected with the left end of the wire coil (3), and a limiting mechanism (2) matched with the wire coil (3) is arranged at the right end of the shell (1);

base (7): the device is arranged in the middle of the upper surface of the shell (1), the upper surface of the base (7) is provided with L-shaped seats (9) symmetrically back and forth through an adjusting mechanism (8), the opposite inner sides of the two L-shaped seats (9) are symmetrically provided with fixed shafts, and the middle parts of the four fixed shafts are rotationally connected with idler wheels (10);

wherein: the input end of the motor (6) is electrically connected with the output end of the external controller.

2. The electric block with limiting mechanism according to claim 1, wherein: stop gear (2) are including ratchet (21), pivot (22), ratchet groove (23) and gag lever post (24), the round hole internal rotation of shell (1) right flank upper end is connected with pivot (22), and the left end of pivot (22) is equipped with ratchet (21), evenly is provided with in the ring channel that drum (3) right flank set up with ratchet (21) complex ratchet groove (23), and the right-hand member of pivot (22) is equipped with gag lever post (24), and the right flank of shell (1) is equipped with stopper (11), and stopper (11) are located the arc wall of gag lever post (24) lower extreme, are equipped with spring (12) between stopper (11) and the arc wall.

3. The electric block with limiting mechanism according to claim 2, wherein: the front side lower extreme of stopper (11) is equipped with electro-magnet (14), and the right flank of shell (1) is equipped with iron plate (15) with electro-magnet (14) complex, and the output of controller is connected to the input electricity of electro-magnet (14).

4. The electric block with limiting mechanism according to claim 2, wherein: the arc-shaped groove at the lower end of the limiting rod (24) is arranged concentrically with the central shaft of the rotating shaft (22).

5. An electric block with a limiting mechanism according to claim 3, characterized in that: the right side of shell (1) is equipped with protecting crust (13), and gag lever post (24) and iron plate (15) are located the inside of protecting crust (13).

6. The electric block with limiting mechanism according to claim 1, wherein: adjustment mechanism (8) are including lead screw (81) and fixing base (82), the upper surface middle part of base (7) is equipped with fixing base (82), and both ends symmetry sliding connection has L type seat (9) around fixing base (82), and the middle part rotation of fixing base (82) is connected with lead screw (81), and the lower extreme of two L type seats (9) all is equipped with the screw with lead screw (81) threaded connection.

7. The electric block with limiting mechanism according to claim 6, wherein: guide rods (83) are symmetrically arranged on the front side surface and the rear side surface of the fixed seat (82), and sliding holes which are in sliding connection with the guide rods (83) are symmetrically arranged at the lower end of the L-shaped seat (9).